The evolution of the core mass function by gas accretion

The evolution of the core mass function by gas accretion
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气体吸积引起的核心质量函数的演化

DOI:
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发表时间:
2012
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通讯作者:
S. Dib
S. Dib
中科院分区:
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文献类型:
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作者:
S. Dib

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我们展示了如何致密的核心(CMF)的质量函数的结果从gravoturbulent破碎的分子云的气体吸积的影响下,随时间的演变。核上的吸积导致大量的大质量核的形成和CMF的平坦化。这种效应在质量足以包含高质量核心的星星形成区域的CMF中应该是可见的,并且当比较具有不同环境气体密度的致密细丝中和致密细丝外的核心的CMF时。
We show how the mass function of dense cores (CMF) which results from the gravoturbulent fragmentation of a molecular cloud evolves in time under the effect of gas accretion. Accretion onto the cores leads to the formation of larger numbers of massive cores and to a flattening of the CMF. This effect should be visible in the CMF of star forming regions that are massive enough to contain high mass cores and when comparing the CMF of cores in and off dense filaments which have different environmental gas densities.